.flex {
	height: 40px;
	/*flex 布局*/
	display: flex;
	/* 垂直居中 */
	align-items: center;
	font-size: 20px;
}

.to {
	width: 150px;
	height: 150px;
	border-radius: 150px;
	margin-top: 5px;
}
